<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="dialogVisible = true">添加</el-button>
        </el-col>
      </el-row>

      <!-- 用户列表区域 -->
      <el-table :data="userList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <!-- 删除按钮 -->
            <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeUserById(scope.row.id)"></el-button>
            <!-- 设置按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top">
              <el-button type="warning" size="mini" icon="el-icon-setting" @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1,5,10,20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>

    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="dialogVisible"
      width="30%" @close="addDialogClosed">
      <el-form ref="addFormRef" :model="addForm" label-width="70px" :rules="addFormRules">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户的对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%" @close="editDialogClose">
      <el-form ref="editFormRef" :model="editForm" :rules="editFormRules" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled=""></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 设置权限的对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="30%" @close="setRoleDialogClosed">
      <p>当前的用户: {{userInfo.username}}</p>
      <p>当前的角色: {{userInfo.role_name}}</p>
      <p>分配新角色：
        <el-select v-model="selectedRoleId" placeholder="请选择">
          <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
          </el-option>
        </el-select>
      </p>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      }

      cb(new Error('请输入合法的邮箱'))
    }

    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

      if (regMobile.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法的手机号'))
    }

    return {
      editForm: {},
      // 修改表单的验证规则对象
      editFormRules: {
        email: [
          { required: true, message: '请输入用户邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入用户手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      editDialogVisible: false,
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      addFormRules:{
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 3 到 16 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ],
      },

      rolesList: [],
      selectedRoleId: '',
      userList: [],
      total: 0,
      queryInfo:{
        query: '',
        pagenum: 1,
        pagesize: 5
      },
      dialogVisible: false,
      setRoleDialogVisible:false,
      userInfo: {}
    }
  },
  created(){
    this.getUserList()
  },
  methods:{
    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed() {
      this.selectedRoleId = ''
      this.userInfo = {}
    },
    // 分配角色
    async saveRoleInfo(){
      if(!this.selectedRoleId){
        return this.$message.error("请选择需要分配的角色!")
      }
      const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{
        rid:this.selectedRoleId
      })
      if(res.meta.status !== 200) return this.$message.error("更改角色失败!")
      this.$message.success("更改角色成功!")
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    async setRole(userInfo){
      this.userInfo = userInfo

      // 在展示对话框之前，获取所有角色的列表
      const {data:res} = await this.$http.get('roles')
      if (res.meta.status != 200) return this.$message.error("获取角色列表失败!")

      this.rolesList = res.data

      this.setRoleDialogVisible = true
    },
    //删除用户信息
    async removeUserById(id){
      //弹框询问用户是否删除
      const info = await this.$confirm('此操作将永久该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
      .then(() => {
        console.log('55555555')
        console.log(id)
        this.$http.delete('users/'+id)
        .then(res => {
          console.log(res)
          if(res.status == 200){
            this.$message.success("删除成功!")
            this.getUserList()
          }
        })
      })
      .catch(err => {
        this.$message.info("取消删除!")
      })

      console.log(info)
    },
    //修改用户信息
    editUserInfo(){
      this.$refs.editFormRef.validate(async valid => {
        if(!valid) return
        //发起修改用户的请求
        var params = {
          email:this.editForm.email,
          mobile: this.editForm.mobile
        }
        const {data:res} = await this.$http.put('users/'+this.editForm.id,params)
        console.log('3333')
        console.log(res)
        if (res.meta.status != 200) return this.$message.error("更新用户信息失败")
        //关闭对话框
        this.editDialogVisible = false
        //重新加载用户数据
        this.getUserList()
        //提示修改成功
        this.$message.success("更新用户信息成功!")

      })
    },
    //关闭修改弹窗
    editDialogClose(){
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户表单数据
    async showEditDialog(id){
      const {data:res} = await this.$http.get('users/'+id)
      console.log('999999999999')
      console.log(res)
      if(res.meta.status != 200){
        return this.$message.error("查询用户信息失败!")
      }
      this.editForm = res.data

      this.editDialogVisible = true
    },
    addUser(){
      this.$refs.addFormRef.validate(async valid => {
        console.log(valid)
        if (!valid) return
        //可以发起添加用户的网络请求
        const {data:res} = await this.$http.post('users',this.addForm)
        if (res.meta.status != 201) {
          return this.$message.error("添加用户失败!")
        }else {
          return this.$message.success("添加用户成功!")
        }
        //隐藏添加用户的对话框
        this.dialogVisible = false
        this.getUserList()
      })
    },
    // 监听添加用户对话框的关闭事件
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    async userStateChanged(userInfo){
      console.log(userInfo)
      const {data:res} =  await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
      if (res.meta.status != 200){
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新用户状态失败!')
      }else {
        return this.$message.success("更新状态成功!")
      }
    },
    // 监听 pagesize改变事件
    handleSizeChange(newSize){
      console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    handleCurrentChange(newPage){
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    async getUserList(){
      const {data:res} = await this.$http.get('users',{params:this.queryInfo})
      if (res.meta.status != 200) return this.$message.error("获取用户列表失败！")
      this.userList = res.data.users
      this.total = res.data.total
      console.log(res)
    }
  }
}
</script>

<style lang="less" scoped>
</style>
